<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body style="margin:0 auto">
<h3><font color="red" th:text="${msg}"></font></h3>
<form action="login" method="post">
    用户名：<input type="text" name="name"/><br>
    密码：<input type="password" name="password"/><br>
    <input type="submit" value="登录"></input>

</form>
</body>
</html>